43 Merge workbooks

15:22:22 Load MergeBook1 from Xlsx file
15:22:22 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0456 seconds
15:22:22 Load MergeBook2 from Xlsx file
15:22:22 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0068 seconds
15:22:22 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0074 seconds
15:22:22 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0161 seconds
15:22:22 Peak memory usage: 10.75MB